Illuminating tower



FIG. 1 is a perspective view of a illuminating tower, showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in FIGS. 1-7 are included for the purposes of illustrating environment and form no part of the claimed design. 

The ornamental design for an illuminating tower, as shown and described. 